Пошаговое объяснение:
1 1/7× (9/16 + 4 2/3 × 9/56)=1,5
4 2/3 × 9/56=14/3*9/56=3/4
9/16+3/4=(9+3*4)/16=21/16
1 1/7*21/16=8/7*21/16=3/2=1,5
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Verified answer
Пошаговое объяснение:
1 1/7× (9/16 + 4 2/3 × 9/56)=1,5
4 2/3 × 9/56=14/3*9/56=3/4
9/16+3/4=(9+3*4)/16=21/16
1 1/7*21/16=8/7*21/16=3/2=1,5